Export Modeler Error in Weblogic 12c

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pksahoo

I deployed Activiti explorer in weblogic 12c environment. I got error while export modeler.

Any thought??

Error 500–Internal Server Error

java.lang.NullPointerException
   at org.activiti.explorer.ExplorerApp.terminalError(ExplorerApp.java:239)
   at com.vaadin.terminal.gwt.server.AbstractCommunicationManager.handleURI(AbstractCommunicationManager.java:2310)
   at com.vaadin.terminal.gwt.server.CommunicationManager.handleURI(CommunicationManager.java:377)
   at com.vaadin.terminal.gwt.server.AbstractApplicationServlet.handleURI(AbstractApplicationServlet.java:1099)
   at com.vaadin.terminal.gwt.server.AbstractApplicationServlet.service(AbstractApplicationServlet.java:535)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:844)
   at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:242)
   at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:216)
   at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:132)
   at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:338)
   at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:25)
   at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:74)
   at org.activiti.explorer.filter.ExplorerFilter.doFilter(ExplorerFilter.java:44)
   at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:74)
   at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
   at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:74)
   at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3288)
   at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3254)
   at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
   at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
   at weblogic.servlet.provider.WlsSubjectHandle.run(WlsSubjectHandle.java:57)
   at weblogic.servlet.internal.WebAppServletContext.doSecuredExecute(WebAppServletContext.java:2163)
   at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2089)
   at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2074)
   at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1513)
   at weblogic.servlet.provider.ContainerSupportProviderImpl$WlsRequestExecutor.run(ContainerSupportProviderImpl.java:254)
   at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256)
   at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)

jbarrez

Not really. The exception only gives the Vaadin side of things, not the Activiti side. Any more stacktraces in there, that has the org.activiti package in it? (not org.activiti.explorer)